1 // Copyright 2014 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ 6 #define CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ 7 8 #include <set> 9 #include <string> 10 11 #include "base/callback_forward.h" 12 #include "base/memory/scoped_ptr.h" 13 #include "chrome/browser/prefs/pref_hash_store.h" 14 15 class HashStoreContents; 16 class InterceptablePrefFilter; 17 class PrefHashStore; 18 19 // Sets up InterceptablePrefFilter::FilterOnLoadInterceptors on 20 // |unprotected_pref_filter| and |protected_pref_filter| which prevents each 21 // filter from running their on load operations until the interceptors decide to 22 // hand the prefs back to them (after migration is complete). | 23 // (un)protected_store_cleaner| and 24 // |register_on_successful_(un)protected_store_write_callback| are used to do 25 // post-migration cleanup tasks. Those should be bound to weak pointers to avoid 26 // blocking shutdown. |(un)protected_pref_hash_store| and 27 // |legacy_pref_hash_store| are used to migrate MACs along with their protected 28 // preferences and/or from the legacy location in Local State. Migrated MACs 29 // will only be cleared from their old location in a subsequent run. The 30 // migration framework is resilient to a failed cleanup (it will simply try 31 // again in the next Chrome run). 32 void SetupTrackedPreferencesMigration( 33 const std::set<std::string>& unprotected_pref_names, 34 const std::set<std::string>& protected_pref_names, 35 const base::Callback<void(const std::string& key)>& 36 unprotected_store_cleaner, 37 const base::Callback<void(const std::string& key)>& protected_store_cleaner, 38 const base::Callback<void(const base::Closure&)>& 39 register_on_successful_unprotected_store_write_callback, 40 const base::Callback<void(const base::Closure&)>& 41 register_on_successful_protected_store_write_callback, 42 scoped_ptr<PrefHashStore> unprotected_pref_hash_store, 43 scoped_ptr<PrefHashStore> protected_pref_hash_store, 44 scoped_ptr<HashStoreContents> legacy_pref_hash_store, 45 InterceptablePrefFilter* unprotected_pref_filter, 46 InterceptablePrefFilter* protected_pref_filter); 47 48 #endif // CHROME_BROWSER_PREFS_TRACKED_TRACKED_PREFERENCES_MIGRATION_H_ 49